Sams Teach Yourself C in 21 Days (6th Edition)/STYC216E.ISO/mac/Examples/Day21/preproc.c

C/C++ Source or Header | 2002-08-11 | 206b | 14 lines

/* Demonstrates the # operator in macro expansion. */

#include <stdio.h>

#define OUT(x) printf(#x " is equal to %d.\n", x)

int main( void )
{
  int value = 123;
  OUT(value);
  return 0;
}